onWorkerStart = function(){ $mqtt = new Workerman\Mqtt\Client('mqtts://test.mosquitto.org:8883', array( 'ssl' => array( 'local_cert' => __DIR__ . '/ssl/mosquitto.org.crt', 'local_pk' => __DIR__ . '/ssl/mosquitto.org.key', 'verify_peer' => false, ), 'debug' => true )); $mqtt->onConnect = function($mqtt) { // publish message every 2 seconds. Timer::add(2, function() use ($mqtt) { $mqtt->publish('workerman', 'hello workerman mqtt'); }); }; $mqtt->connect(); }; Worker::runAll();